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| author | K. Y. Srinivasan | 2011-06-07 00:49:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2011-06-07 22:45:55 +0200 |
| commit | ef0d5b23022e207e9f367de52f4172daab3ac690 (patch) | |
| tree | c30f8a7c81d32e75956d18489a0b9d011e5fa489 /drivers/staging/hv | |
| parent | Staging: hv: vmbus: Get rid of the poll timer in the channel state (diff) | |
| download | kernel-qcow2-linux-ef0d5b23022e207e9f367de52f4172daab3ac690.tar.gz kernel-qcow2-linux-ef0d5b23022e207e9f367de52f4172daab3ac690.tar.xz kernel-qcow2-linux-ef0d5b23022e207e9f367de52f4172daab3ac690.zip | |
Staging: hv: vmbus: Fix the memory barrier in hv_ringbuffer_read()
Use the correct barrier interface.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/hv')
| -rw-r--r-- | drivers/staging/hv/ring_buffer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/hv/ring_buffer.c b/drivers/staging/hv/ring_buffer.c index 3da333018b5a..932af1a01a1e 100644 --- a/drivers/staging/hv/ring_buffer.c +++ b/drivers/staging/hv/ring_buffer.c @@ -513,7 +513,7 @@ int hv_ringbuffer_read(struct hv_ring_buffer_info *inring_info, void *buffer, /* Make sure all reads are done before we update the read index since */ /* the writer may start writing to the read area once the read index */ /*is updated */ - mb(); + smp_mb(); /* Update the read index */ hv_set_next_read_location(inring_info, next_read_location); |